Main Features:
● LED screen displays the charging status clearly
●Intelligently identify input power and automatically adjust suitable charging method, which supplys 9 output level for almost every kind of digital product on the market
● CC / CV charging, to make sure the battery is full charged and won't be over charged. Each slot controls independently, mixed charging mode
● Can be used as a UPS mobile power bank of laptop, replacing the original battery

Parameters:
Input: DC 16 - 21V 5.5x2.5mm interface
DC output: 3.6V / 6V / 9V / 12V / 15V / 16V / 19V / 21V, max. 3.3A
USB output: 5V, max. 3A
Applicable batteries: Compatible with 3.7V 18650 various kinds of cylindrical rechargeable batteries
There has a combination of 3 in series and 2 in parallel resistors with the highest power of 75W (DC port up to 65W, compatible with most kinds of notebooks below 19V 4A; USB port up to 22.5W)

Specifications
General
Type: Charger
Charging Cell Type: Lithium Ion
Compatible : 18650
Rechargeable Battery Qty: 6
Input Voltage: DC 16-21V
Output Voltage: 3.6V / 6V / 9V / 12V / 15V / 16V / 19V / 21V, max. 3.3A
Functions
LCD Screen: YES
Auto Circuit Detection: YES
Dimension and Weight
Product weight: 0.150 kg
Package weight: 0.2 kg
Product size (L x W x H): 16.2 x 8.2 x 2.2 cm / 6.37 x 3.22 x 0.86 inches
Package size (L x W x H): 17 x 9 x 9 cm / 6.68 x 3.54 x 3.54 inches
Package Contents
Package Contents: 1 x AiLi Power Bank Charger